add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/powerpc/sysdev/fsl_rmu.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Freescale MPC85xx/MPC86xx RapidIO RMU support
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  *
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@@ -17,11 +18,6 @@
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  *
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  * Copyright 2005 MontaVista Software, Inc.
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  * Matt Porter <mporter@kernel.crashing.org>
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- *
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- * This program is free software; you can redistribute  it and/or modify it
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- * under  the terms of  the GNU General  Public License as published by the
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- * Free Software Foundation;  either version 2 of the  License, or (at your
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- * option) any later version.
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  */
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 #include <linux/types.h>
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@@ -757,14 +753,13 @@
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 	/* Initialize outbound message descriptor ring */
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 	rmu->msg_tx_ring.virt = dma_alloc_coherent(priv->dev,
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-				rmu->msg_tx_ring.size * RIO_MSG_DESC_SIZE,
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-				&rmu->msg_tx_ring.phys, GFP_KERNEL);
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+						   rmu->msg_tx_ring.size * RIO_MSG_DESC_SIZE,
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+						   &rmu->msg_tx_ring.phys,
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+						   GFP_KERNEL);
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 	if (!rmu->msg_tx_ring.virt) {
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 		rc = -ENOMEM;
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 		goto out_dma;
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 	}
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-	memset(rmu->msg_tx_ring.virt, 0,
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-			rmu->msg_tx_ring.size * RIO_MSG_DESC_SIZE);
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 	rmu->msg_tx_ring.tx_slot = 0;
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 	/* Point dequeue/enqueue pointers at first entry in ring */